mirror of
https://github.com/FFmpeg/FFmpeg.git
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129 lines
4.1 KiB
C
129 lines
4.1 KiB
C
/*
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* R210 encoder
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*
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* Copyright (c) 2012 Paul B Mahol
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "config_components.h"
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#include "avcodec.h"
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#include "codec_internal.h"
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#include "encode.h"
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#include "internal.h"
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#include "bytestream.h"
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static av_cold int encode_init(AVCodecContext *avctx)
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{
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int aligned_width = FFALIGN(avctx->width,
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avctx->codec_id == AV_CODEC_ID_R10K ? 1 : 64);
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avctx->bits_per_coded_sample = 32;
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if (avctx->width > 0)
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avctx->bit_rate = ff_guess_coded_bitrate(avctx) * aligned_width / avctx->width;
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return 0;
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}
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static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
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const AVFrame *pic, int *got_packet)
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{
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int i, j, ret;
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int aligned_width = FFALIGN(avctx->width,
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avctx->codec_id == AV_CODEC_ID_R10K ? 1 : 64);
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int pad = (aligned_width - avctx->width) * 4;
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const uint8_t *srcr_line, *srcg_line, *srcb_line;
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uint8_t *dst;
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ret = ff_get_encode_buffer(avctx, pkt, 4 * aligned_width * avctx->height, 0);
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if (ret < 0)
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return ret;
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srcg_line = pic->data[0];
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srcb_line = pic->data[1];
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srcr_line = pic->data[2];
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dst = pkt->data;
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for (i = 0; i < avctx->height; i++) {
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const uint16_t *srcr = (const uint16_t *)srcr_line;
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const uint16_t *srcg = (const uint16_t *)srcg_line;
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const uint16_t *srcb = (const uint16_t *)srcb_line;
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for (j = 0; j < avctx->width; j++) {
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uint32_t pixel;
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unsigned r = *srcr++;
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unsigned g = *srcg++;
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unsigned b = *srcb++;
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if (avctx->codec_id == AV_CODEC_ID_R210)
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pixel = (r << 20) | (g << 10) | b;
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else
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pixel = (r << 22) | (g << 12) | (b << 2);
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if (avctx->codec_id == AV_CODEC_ID_AVRP)
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bytestream_put_le32(&dst, pixel);
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else
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bytestream_put_be32(&dst, pixel);
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}
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memset(dst, 0, pad);
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dst += pad;
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srcr_line += pic->linesize[2];
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srcg_line += pic->linesize[0];
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srcb_line += pic->linesize[1];
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}
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*got_packet = 1;
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return 0;
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}
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static const enum AVPixelFormat pix_fmt[] = { AV_PIX_FMT_GBRP10, AV_PIX_FMT_NONE };
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#if CONFIG_R210_ENCODER
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const FFCodec ff_r210_encoder = {
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.p.name = "r210",
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CODEC_LONG_NAME("Uncompressed RGB 10-bit"),
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.p.type = AVMEDIA_TYPE_VIDEO,
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.p.id = AV_CODEC_ID_R210,
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.p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
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.init = encode_init,
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FF_CODEC_ENCODE_CB(encode_frame),
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.p.pix_fmts = pix_fmt,
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};
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#endif
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#if CONFIG_R10K_ENCODER
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const FFCodec ff_r10k_encoder = {
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.p.name = "r10k",
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CODEC_LONG_NAME("AJA Kona 10-bit RGB Codec"),
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.p.type = AVMEDIA_TYPE_VIDEO,
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.p.id = AV_CODEC_ID_R10K,
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.p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
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.init = encode_init,
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FF_CODEC_ENCODE_CB(encode_frame),
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.p.pix_fmts = pix_fmt,
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};
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#endif
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#if CONFIG_AVRP_ENCODER
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const FFCodec ff_avrp_encoder = {
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.p.name = "avrp",
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CODEC_LONG_NAME("Avid 1:1 10-bit RGB Packer"),
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.p.type = AVMEDIA_TYPE_VIDEO,
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.p.id = AV_CODEC_ID_AVRP,
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.p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
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.init = encode_init,
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FF_CODEC_ENCODE_CB(encode_frame),
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.p.pix_fmts = pix_fmt,
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};
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#endif
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